EP 2472634 A4 20131106 - DOUBLE-SEALED CAP ASSEMBLY AND CYLINDRICAL SECONDARY BATTERY COMPRISING SAME
Title (en)
DOUBLE-SEALED CAP ASSEMBLY AND CYLINDRICAL SECONDARY BATTERY COMPRISING SAME
Title (de)
DOPPELT ABGEDICHTETE KAPPENANORDNUNG UND ZYLINDRISCHE SEKUNDÄRBATTERIE DAMIT
Title (fr)
ENSEMBLE CAPUCHON À DOUBLE ÉTANCHÉITÉ ET BATTERIE SECONDAIRE CYLINDRIQUE COMPORTANT CELUI-CI
Publication
Application
Priority
- KR 20090093428 A 20090930
- KR 2010003475 W 20100531
Abstract (en)
[origin: WO2011040692A1] The present invention relates to a cap assembly and to a battery comprising same, and more particularly, to a cap assembly for a cylindrical secondary battery, in which a CID support portion is placed at an inclined portion or a stepped portion of a gasket, to thereby double-seal the battery and prevent electrolyte leakage. The present invention also relates to a cylindrical secondary battery comprising the cap assembly. The cap assembly of the present invention is double-sealed against electrolyte leakage, such that electrolyte leakage hardly occurs even when the battery is impacted by falling down or by a similar situation, thereby significantly improving the safety of the battery.
IPC 8 full level
H01M 50/166 (2021.01)
CPC (source: EP KR US)
H01M 50/107 (2021.01 - KR); H01M 50/166 (2021.01 - EP KR US); H01M 50/171 (2021.01 - EP KR); H01M 50/183 (2021.01 - KR); H01M 50/3425 (2021.01 - EP KR); H01M 50/578 (2021.01 - EP KR); H01M 50/107 (2021.01 - EP); H01M 2200/106 (2013.01 - EP KR); H01M 2200/20 (2013.01 - EP KR); Y02E 60/10 (2013.01 - EP KR)
Citation (search report)
- [XI] JP H06196140 A 19940715 - SANYO ELECTRIC CO
- See references of WO 2011040692A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2011040692 A1 20110407; CN 102549802 A 20120704; CN 102549802 B 20150401; EP 2472634 A1 20120704; EP 2472634 A4 20131106; EP 2472634 B1 20150325; JP 2013506954 A 20130228; JP 5551781 B2 20140716; KR 101062685 B1 20110906; KR 20110035625 A 20110406; TW 201112470 A 20110401; TW I414098 B 20131101
DOCDB simple family (application)
KR 2010003475 W 20100531; CN 201080043929 A 20100531; EP 10820765 A 20100531; JP 2012531994 A 20100531; KR 20090093428 A 20090930; TW 99119528 A 20100615